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a speech to convince one to have sex using an overly exaggerated or lame excuse. in other words it's the speech that leads to apocalypse sex.
derived from the series supernatural s.6 e.10
Dean Winchester: Hmm. So, dangerous mission tomorrow. Guess it's time to eat, drink and, you know, make merry.

Jo Harvelle: Are you giving me the Last Night on Earth Speech?
by lunarwena June 20, 2011
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